(1979). The NEW illustrated Columbia encyclopedia. Columbia University Press.
Chicago-čujuhus (17. p.)The NEW Illustrated Columbia Encyclopedia. Columbia University Press, 1979.
MLA-čujuhus (9. p.)The NEW Illustrated Columbia Encyclopedia. Columbia University Press, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.